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1.
Braz. j. biol ; 83: e246934, 2023. tab, graf
Artigo em Inglês | LILACS-Express | LILACS, VETINDEX | ID: biblio-1285605

RESUMO

Abstract Physids belong to Class Gastropoda; Phylum Mollusca have important position in food web and act as bio indicators, pests and intermediate host. Being resistant these are called cockroaches of malacology. Physid snails were collected from different water bodies of Faisalabad (Punjab) and were identified up to species using morphological markers. The morphometry of the specimens was carried out with the help of a digital Vernier caliper in millimeters (mm) using linear measurement of shell characters. Linear regression analysis of the AL/SW ratio vs AL and SL/SW ratio vs AL indicated that allometric growth exists only in Physa acuta when compared with P.gyrina and P. fontinalis. This study will lead to assess the status of the Physid species in Central Punjab. The Principal component analysis shows that the Component 1 (Shell Length) and component 2 (Shell Width) are the most prolific components and nearly 80 percent of the identification. The distance between P. acuta and P. fontinalis is 5.4699, P. acuta and P. gyrina is 7.6411, P. fontinalis and P. gyrina is 16.6080 showing that P. acuta resembles with P. fontinalis, and both these specimens donot resemble with P. gyrina. P.acuta is an invasive species and shows bioactivity making it a potent candidate for bioactive substances.


Resumo Os físidos pertencem à classe Gastropoda; o filo Mollusca possui importante posição na teia alimentar e atua como bioindicador, praga e hospedeiro intermediário. Por serem resistentes, são chamadas baratas de malacologia. Os caramujos físidos foram coletados em diferentes corpos d'água de Faisalabad (Punjab) e identificados até as espécies por meio de marcadores morfológicos. A morfometria dos corpos de prova foi realizada com auxílio de paquímetro digital Vernier em milímetros (mm) por meio de medida linear dos caracteres da casca. A análise de regressão linear da razão AL / SW vs. AL e razão SL / SW vs. AL indicou que o crescimento alométrico existe apenas em Physa acuta quando comparado com P. gyrina e P. fontinalis. Este estudo levará a avaliar a situação das espécies de físido no Punjab Central. A análise do componente principal mostra que o componente 1 (comprimento da casca) e o componente 2 (largura da casca) são os componentes mais prolíficos e quase 80% da identificação. A distância entre P. acuta e P. fontinalis é 5,4699, P. acuta e P. gyrina é 7,6411, P. fontinalis e P. gyrina é 16,6080, mostrando que P. acuta se assemelha a P. fontinalis, e ambos os espécimes não se parecem com P. gyrina. P. acuta é uma espécie invasora e apresenta bioatividade, tornando-se uma candidata potente para substâncias bioativas.

2.
Braz. j. biol ; 83: e246984, 2023. tab, graf
Artigo em Inglês | LILACS-Express | LILACS, VETINDEX | ID: biblio-1285632

RESUMO

Abstract Physids belong to Class Gastropoda; belong to Phylum Mollusca and being bioindicators, intermediate hosts of parasites and pests hold a key position in the ecosystem. There are three species of Genus Physa i.e. P. fontinalis, Physa acuta and P. gyrina water bodies of Central Punjab and were characterized on the basis of molecular markers High level of genetic diversity was revealed by polymorphic RAPD, however SSR markers were not amplified. The multivariate analysis revealed polymorphism ranging from 9.09 percent to 50 percent among the three Physid species. Total number of 79 loci were observed for the three species under study and 24 loci were observed to be polymorphic. These RAPD fragment(s) can be developed into co dominant markers (SCAR) by cloning and can be further sequenced for the development of the Physa species specific markers to identify the introduced and native species in Pakistan.


Resumo Os físidos pertencem à classe Gastropoda; pertencem ao filo Mollusca e, sendo bioindicadores, hospedeiros intermediários de parasitas e pragas, ocupam uma posição-chave no ecossistema. Existem três espécies do gênero Physa, ou seja, P. fontinalis, Physa acuta e P. gyrina em corpos d'água do Punjab Central e foram caracterizadas com base em marcadores moleculares. Alto nível de diversidade genética foi revelado por RAPD polimórfico, no entanto os marcadores SSR não foram amplificados. A análise multivariada revelou polimorfismo variando de 9,09% a 50% entre as três espécies de Physid. Um número total de 79 loci foi observado para as três espécies em estudo e 24 loci foram observados como polimórficos. Esses fragmentos RAPD podem ser desenvolvidos em marcadores codominantes (SCAR) por clonagem e podem ser posteriormente sequenciados para o desenvolvimento de marcadores específicos da espécie Physa para identificar as espécies introduzidas e nativas no Paquistão.

3.
Braz J Biol ; 83: e246934, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34431912

RESUMO

Physids belong to Class Gastropoda; Phylum Mollusca have important position in food web and act as bio indicators, pests and intermediate host. Being resistant these are called cockroaches of malacology. Physid snails were collected from different water bodies of Faisalabad (Punjab) and were identified up to species using morphological markers. The morphometry of the specimens was carried out with the help of a digital Vernier caliper in millimeters (mm) using linear measurement of shell characters. Linear regression analysis of the AL/SW ratio vs AL and SL/SW ratio vs AL indicated that allometric growth exists only in Physa acuta when compared with P.gyrina and P. fontinalis. This study will lead to assess the status of the Physid species in Central Punjab. The Principal component analysis shows that the Component 1 (Shell Length) and component 2 (Shell Width) are the most prolific components and nearly 80 percent of the identification. The distance between P. acuta and P. fontinalis is 5.4699, P. acuta and P. gyrina is 7.6411, P. fontinalis and P. gyrina is 16.6080 showing that P. acuta resembles with P. fontinalis, and both these specimens donot resemble with P. gyrina. P.acuta is an invasive species and shows bioactivity making it a potent candidate for bioactive substances.


Assuntos
Espécies Introduzidas , Caramujos , Animais
4.
Braz J Biol ; 83: e246984, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34431913

RESUMO

Physids belong to Class Gastropoda; belong to Phylum Mollusca and being bioindicators, intermediate hosts of parasites and pests hold a key position in the ecosystem. There are three species of Genus Physa i.e. P. fontinalis, Physa acuta and P. gyrina water bodies of Central Punjab and were characterized on the basis of molecular markers High level of genetic diversity was revealed by polymorphic RAPD, however SSR markers were not amplified. The multivariate analysis revealed polymorphism ranging from 9.09 percent to 50 percent among the three Physid species. Total number of 79 loci were observed for the three species under study and 24 loci were observed to be polymorphic. These RAPD fragment(s) can be developed into co dominant markers (SCAR) by cloning and can be further sequenced for the development of the Physa species specific markers to identify the introduced and native species in Pakistan.


Assuntos
Gastrópodes , Espécies Introduzidas , Animais , Ecossistema , Paquistão , Filogenia , Técnica de Amplificação ao Acaso de DNA Polimórfico
6.
Rev Neurol (Paris) ; 176(10): 856-863, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32139183

RESUMO

Opium sale is prohibited in Iran, and sellers mix it with lead to increase the weight. Herein, we describe neuromuscular findings in nine patients who developed lead poisoning due to opium/drug consumption. The mean age of patients was 53±3.5 years and their mean blood lead level was 122.6±20.8µg/dL. Most of the patients had an acute/subacute course presenting as axonal or demyelinating sensorimotor polyneuropathy, motor neuron disease, and multiple mononeuropathies with favorable response to the chelation therapy. Lead poisoning should be considered in patients with a history of opium use and neuromuscular symptoms.

7.
Anaesthesia ; 71(1): 94-105, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-26459299

RESUMO

Accurate assessment of intravascular fluid status and measurement of fluid responsiveness have become increasingly important in peri-operative medicine and critical care. The objectives of this systematic review and narrative synthesis were to discuss current controversies surrounding fluid responsiveness and describe the merits and limitations of the major cardiac output monitors in clinical use today in terms of usefulness in measuring fluid responsiveness. We searched the MEDLINE and EMBASE databases (2002-2015); inclusion criteria included comparison with an established reference standard such as pulmonary artery catheter, transthoracic echocardiography and transoesophageal echocardiography. Examples of clinical measures include static (such as central venous pressure) and dynamic (such as stroke volume variation and pulse pressure variation) parameters. The static parameters measured were described as having little value; however, the dynamic parameters were shown to be good physiological determinants of fluid responsiveness. Due to heterogeneity of the methods and patient characteristics, we did not perform a meta-analysis. In most studies, precision and limits of agreement (bias ±1.96SD) between determinants of fluid responsiveness measured by different devices were not evaluated, and the definition of fluid responsiveness varied across studies. Future research should focus on the physiological principles that underlie the measurement of fluid responsiveness and the effect of different volume expansion strategies on outcomes.


Assuntos
Hidratação , Pesquisa Qualitativa , Débito Cardíaco , Cateterismo de Swan-Ganz , Cuidados Críticos , Ecocardiografia , Ecocardiografia Transesofagiana , Humanos
8.
Int J Behav Med ; 23(1): 63-70, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26025629

RESUMO

BACKGROUND: One of the biggest challenges in the spirituality, religiosity, and health field is to understand how patients and physicians from different cultures deal with spiritual and religious issues in clinical practice. PURPOSE: The present study aims to compare physicians' perspectives on the influence of spirituality and religion (S/R) on health between Brazil, India, and Indonesia. METHOD: This is a cross-sectional, cross-cultural, multi-center study carried out from 2010 to 2012, examining physicians' attitudes from two continents. Participants completed a self-rated questionnaire that collected information on sociodemographic characteristics, S/R involvement, and perspectives concerning religion, spirituality, and health. Differences between physicians' responses in each country were examined using chi-squared, ANOVA, and MANCOVA. RESULTS: A total of 611 physicians (194 from Brazil, 295 from India, and 122 from Indonesia) completed the survey. Indonesian physicians were more religious and more likely to address S/R when caring for patients. Brazilian physicians were more likely to believe that S/R influenced patients' health. Brazilian and Indonesians were as likely as to believe that it is appropriate to talk and discuss S/R with patients, and more likely than Indians. No differences were found concerning attitudes toward spiritual issues. CONCLUSION: Physicians from these different three countries had very different attitudes on spirituality, religiosity, and health. Ethnicity and culture can have an important influence on how spirituality is approached in medical practice. S/R curricula that train physicians how to address spirituality in clinical practice must take these differences into account.


Assuntos
Médicos , Religião e Medicina , Espiritualidade , Adulto , Atitude do Pessoal de Saúde/etnologia , Brasil , Comparação Transcultural , Estudos Transversais , Feminino , Humanos , Índia , Indonésia , Masculino , Médicos/psicologia , Médicos/estatística & dados numéricos , Inquéritos e Questionários
9.
J Relig Health ; 54(2): 649-63, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24944165

RESUMO

Religious/spiritual (r/s) characteristics of physicians influence their attitude toward integrative medicine and spiritual care. Indonesia physicians collaborate with traditional, complementary, and alternative medicine (TCAM) professionals within modern healthcare system, while Indian physicians are not reported to do so. The aim of the study was to understand the r/s characteristics and their influence on Indian and Indonesian physicians' acceptance of TCAM/spirituality in modern healthcare system. An exploratory, pilot, cross-cultural, cross-sectional study, using Religion and Spirituality in Medicine, and Physician Perspectives (RSMPP) survey questionnaire, compared r/s characteristics and perspectives on integrative medicine of 169 physicians from two allopathic, Sweekar-Osmania University (Sweekar-OU), India, University of Airlanga (UNAIR), Indonesia, and a TCAM/Central Research Institute of Unani Medicine (CRIUM) institute from India. More physicians from UNAIR and CRIUM (89.1 %) described themselves as "very"/"moderately" religious, compared to 63.5 % Sweekar-OU (p = 0.0000). Greater number of (84.6 %) UNAIR physicians described themselves as "very" spiritual and also significantly high (p < 0.05) in intrinsic religiosity as compared to Sweekar-OU and TCAM physicians; 38.6 % of UNAIR and 32.6 % of CRIUM participants reported life-changing spiritual experiences in clinical settings as against 19.7 % of Sweekar-OU; 92.3 % of UNAIR, compared to CRIUM (78.3 %) and Sweekar-OU (62 %), felt comfortable attending to patients' spiritual needs, (p = 0.0001). Clinical comfort and not r/s characteristics of participants was the significant (p = 0.05) variable in full regression models, predictive of primary outcome criteria; "TCAM or r/s healing as complementary to allopathic treatment." In conclusion, mainstreaming TCAM into healthcare system may be an initial step toward both integrative medicine and also improving r/s care interventions by allopathic physicians.


Assuntos
Atitude do Pessoal de Saúde , Comparação Transcultural , Medicina Integrativa , Médicos/psicologia , Religião e Medicina , Espiritualidade , Adulto , Terapias Complementares/psicologia , Estudos Transversais , Feminino , Humanos , Índia , Indonésia , Masculino , Médicos/estatística & dados numéricos , Projetos Piloto , Inquéritos e Questionários
10.
Br J Anaesth ; 113(6): 1046-54, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25053119

RESUMO

BACKGROUND: Activation of the nuclear factor-κB (NF-κB) pathway is central to the pathogenesis of lung injury and inflammation. We determined whether targeted overexpression of inhibitor-κBα (IκBα) in the lung could decrease the severity of ventilator-induced lung injury (VILI). METHODS: Anaesthetized adult male Sprague-Dawley rats were randomly allocated to undergo intratracheal instillation of: (i) vehicle alone (surfactant, n=10); (ii) 1×10(10) adeno-associated virus encoding IκBα (AAV-IκBα, n=10); (iii) 5×10(10) AAV-IκBα (n=10); and (iv) 1×10(10) AAV-Null (n=5). This was followed by 4 h of injurious mechanical ventilation. Subsequent experiments examined the effect of IκBα overexpression in animals undergoing 'protective' mechanical ventilation. RESULTS: IκBα overexpression increased survival duration at both the lower [3.8 h (0.4)] and higher [3.6 h (0.7)] doses compared with vehicle [2.7 h (1.0)] or the null transgene [2.2 h (0.8)]. IκBα overexpression reduced the alveolar-arterial oxygen gradient (kPa) at both the lower [53 (21)] and higher [52 (19)] doses compared with vehicle [75 (8.5)] or the null transgene [70 (15)], decreased alveolar neutrophil infiltration, and reduced alveolar concentrations of interleukin (IL)-1ß and IL-10. The lower IκBα dose was as effective as the higher dose. IκBα overexpression had no effect in the setting of protective lung ventilation. CONCLUSIONS: Inhibition of pulmonary NF-κB activity by IκBα overexpression reduced the severity of VILI in a rat model.


Assuntos
Terapia Genética/métodos , Proteínas I-kappa B/biossíntese , Pulmão/metabolismo , Lesão Pulmonar Induzida por Ventilação Mecânica/metabolismo , Lesão Pulmonar Induzida por Ventilação Mecânica/prevenção & controle , Animais , Dependovirus/genética , Modelos Animais de Doenças , Expressão Gênica , Vetores Genéticos , Proteínas I-kappa B/genética , Masculino , Inibidor de NF-kappaB alfa , NF-kappa B/metabolismo , Oxigênio/sangue , Pneumonia/metabolismo , Pneumonia/prevenção & controle , Ratos Sprague-Dawley , Respiração Artificial/métodos , Análise de Sobrevida , Transgenes , Lesão Pulmonar Induzida por Ventilação Mecânica/patologia
11.
J Relig Health ; 53(6): 1800-14, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24430129

RESUMO

Persons with mental illnesses in India and rest of developing world continue to consult religious/spiritual (R/S) healers or traditional, complementary and alternative medicine (TCAM) professionals prior to seeking psychiatric services that are devoid of spiritual components of care. We aim to understand TCAM and allopathic professionals' perspectives on patients' R/S needs within mental health services, cross-sectional study was conducted at five TCAM and two allopathic tertiary care hospitals in three different Indian states; 393 participants completed RSMPP, a self-administered, semi-structured survey questionnaire. Perspectives of TCAM and allopathic health professionals on role of spirituality in mental health care were compared. Substantial percentage, 43.7 % TCAM and 41.3 % allopathic, of participants believe that their patients approach R/S or TCAM practitioners for severe mental illness; 91.2 % of TCAM and 69.7 % of allopaths were satisfied with R/S healers (p = 0.0019). Furthermore, 91.1 % TCAM and 73.1 % allopaths (p = 0.000) believe that mental health stigma can be minimized by integrating with spiritual care services. Overall, 87 % of TCAM and 73 % of allopaths agreed to primary criterion variable: 'spiritual healing is beneficial and complementary to psychiatric care.' A quarter of allopaths (24.4 %) and 38 % of TCAM physicians reportedly cross-refer their grieving patients to religious/TCAM healer and psychiatrist/psychologist, respectively; on logistic regression, significant (p < 0.05) predictors were clinical interactions/references to r/s healers. Providing spiritual care within the setup of psychiatric institution will not only complement psychiatric care but also alleviate stigma against mental health services. Implications on developing spiritual care services like clinical chaplaincy are discussed.


Assuntos
Atitude do Pessoal de Saúde , Serviços de Saúde Mental , Terapias Espirituais , Estereotipagem , Adulto , Estudos Transversais , Feminino , Humanos , Índia , Masculino , Centros de Atenção Terciária
12.
J Relig Health ; 53(4): 1161-75, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23625126

RESUMO

Allopathic medical professionals in developed nations have started to collaborate with traditional, complementary, and alternative medicine (TCAM) to enquire on the role of religion/spirituality (r/s) in patient care. There is scant evidence of such movement in the Indian medical community. We aim to understand the perspectives of Indian TCAM and allopathic professionals on the influence of r/s in health. Using RSMPP (Religion, Spirituality and Medicine, Physician Perspectives) questionnaire, a cross-sectional survey was conducted at seven (five TCAM and two allopathic) pre-selected tertiary care medical institutes in India. Findings of TCAM and allopathic groups were compared. Majority in both groups (75% of TCAM and 84.6% of allopathic practitioners) believed that patients' spiritual focus increases with illness. Up to 58% of TCAM and allopathic respondents report patients receiving support from their religious communities; 87% of TCAM and 73% of allopaths believed spiritual healing to be beneficial and complementary to allopathic medical care. Only 11% of allopaths, as against 40% of TCAM, had reportedly received 'formal' training in r/s. Both TCAM (81.8%) and allopathic (63.7%) professionals agree that spirituality as an academic subject merits inclusion in health education programs (p = 0.0003). Inclusion of spirituality in the health care system is a need for Indian medical professionals as well as their patients, and it could form the basis for integrating TCAM and allopathic medical systems in India.


Assuntos
Atitude do Pessoal de Saúde , Terapias Complementares , Medicina Integrativa/métodos , Medicina Tradicional , Religião e Medicina , Espiritualidade , Adulto , Estudos Transversais , Feminino , Humanos , Índia , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Adulto Jovem
14.
Br J Surg ; 95(5): 547-54, 2008 May.
Artigo em Inglês | MEDLINE | ID: mdl-18386775

RESUMO

BACKGROUND: The need for sentinel lymph node (SLN) biopsy in patients with a preoperative diagnosis of ductal carcinoma in situ (DCIS) is debated. Advocates recommend such biopsy based on a high incidence of SLN involvement in some series. Opponents discourage SLN biopsy based on a perceived low incidence of nodal involvement in this setting. These contradictory arguments are generally based on small studies. The present study is a meta-analysis of the reported data on the incidence of SLN metastasis in patients with DCIS. METHODS: A search of electronic databases identified studies reporting the frequency of SLN metastases in DCIS. The random-effects method was used to combine data. RESULTS: Twenty-two published series were included in the meta-analysis. The estimate for the incidence of SLN metastases in patients with a preoperative diagnosis of DCIS was 7.4 (95 per cent confidence interval (c.i.) 6.2 to 8.9) per cent compared with 3.7 (95 per cent c.i. 2.8 to 4.8) per cent in patients with a definitive (postoperative) diagnosis of DCIS alone. This was a significant difference with an odds ratio of 2.11 (95 per cent c.i. 1.15 to 2.93). CONCLUSION: Patients with a preoperative diagnosis of DCIS should be considered for SLN biopsy.


Assuntos
Neoplasias da Mama/patologia , Carcinoma in Situ/patologia , Carcinoma Ductal de Mama/patologia , Linfonodos/patologia , Biópsia de Linfonodo Sentinela/métodos , Carcinoma Ductal de Mama/secundário , Humanos , Metástase Linfática
15.
Int J Tuberc Lung Dis ; 8(8): 1017-21, 2004 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-15305487

RESUMO

OBJECTIVES: To investigate HLA-DRB1, DQA1 and DQB1 allelic polymorphism in Iranian patients with pulmonary tuberculosis (PTB). METHODS: Forty patients with smear-positive PTB and 100 healthy individuals as a control group were studied for MHC class II allelic polymorphism by polymerase chain reaction with sequence-specific primers (PCR-SSP). The primer was supplied by biotest in the standard kit. DRB low resolution SSP and DQA, DQB intermediate resolution SSP was applied. RESULTS: The comparison of the patients and the control group showed a significant increase in the frequency of the HLA-DRB1*07 and DQA1*0101 alleles (OR 2.7, 95%CI 1.19-6.13, P = 0.025 and OR 2.66, 95%CI 1.15-6.44, P = 0.04, respectively) in the patient group. The frequency of DQA1*0301 and DQA1*0501 was also significantly decreased (OR 0.254, 95%CI 0.075-0.865, P = 0.033 and OR 0.53, 95%CI 0.3-0.95, P = 0.045, respectively) in the PTB patients. Concerning haplotype frequency, DRB1*11501, QDQA1*0103 and DQB1*0601 were increased, but this difference was not statistically significant. In the DQB1 locus, DQB1*0501 was non-significantly over-represented. CONCLUSIONS: HLA-DRB1*07 and HLA-DQA1*0101 appeared to be the predisposing alleles and HLA-DQA1*0301 and 0501 the protective alleles in our patients with TB.


Assuntos
Alelos , Antígenos HLA-DQ/genética , Antígenos HLA-DR/genética , Haplótipos , Tuberculose Pulmonar/genética , Idoso , Estudos de Casos e Controles , Distribuição de Qui-Quadrado , Feminino , Predisposição Genética para Doença , Cadeias alfa de HLA-DQ , Cadeias beta de HLA-DQ , Cadeias HLA-DRB1 , Humanos , Irã (Geográfico)/epidemiologia , Masculino , Pessoa de Meia-Idade , Razão de Chances , Polimorfismo Genético , Tuberculose Pulmonar/epidemiologia
17.
Z Orthop Ihre Grenzgeb ; 139(6): 512-7, 2001.
Artigo em Alemão | MEDLINE | ID: mdl-11753772

RESUMO

AIM: The position of the acetabular implant has a great influence on the outcome of total hip arthroplasty. The acetabular implants differ in their characteristics during insertion. In order to control the influence of the implant in different axes, 80 implantations of acetabular component were performed under computer-assisted control by a surogate navigation system. METHOD: Within a prospective randomised study, 70 total hip replacements were performed by one surgeon using two different uncemented implants (PPF screw cup/Hedrocel pressfit cup). The position of the cup was measured at different times during surgery and was compared to 10 cemented PE cup placements. RESULTS: During the milling procedure the anteversion of the two uncemented cups differed significantly (p = 0.026). The standard deviation of anteversion during implantation different significantly relating to the cup type: press-fit cup 3.86 degrees, screw cup 2.1 degrees and cemented PE cups 0,84 degrees. The inclination was less susceptible. CONCLUSION: The cup design of uncemented acetabular implants influences the outcome of surgery. In our trial a spherical press-fit cup showed a greater variability than the screw-cup. The CAS system can be used as a tool to minimise these effects.


Assuntos
Acetábulo/cirurgia , Artroplastia de Quadril/instrumentação , Prótese de Quadril , Osteoartrite do Quadril/cirurgia , Cirurgia Assistida por Computador/instrumentação , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Avaliação de Processos e Resultados em Cuidados de Saúde , Desenho de Prótese
18.
Z Orthop Ihre Grenzgeb ; 139(4): 346-51, 2001.
Artigo em Alemão | MEDLINE | ID: mdl-11558054

RESUMO

AIM AND METHOD: The anterior cruciate ligament (ACL) is of great importance for the knee joint function. In the case of a complete ligament injury there is hardly any chance for complete recovery. The clear advantages of an operative reconstruction by replacing the ACL has been shown in many trails. The accurate placement of the graft's insertions has a significant effect on the mid- and probably long-term outcome of this procedure. Reviewing the literature, there are poor long-term results of ACL replacement in 5 to 52% of all cases, depending on the score system. One of the main reasons for unacceptable results is graft misplacement. This led to the construction of a CAS system for ACL replacement. The system assists this surgical procedure by navigating the exact position of the drilling holes. The Potential deformation quantity of the transplant can be controlled by this system in real time. RESULTS: 40 computer-assisted ACL replacements have been performed under active use of the CAS system. The short-term results are encouraging, no special complications have been seen so far. Prospective long-term follow-up studies are ongoing. CONCLUSION: ACL reconstruction by manual devices has many sources of error. The CAS system is able to give the surgeon reasonable views that are unachieveable by conventional surgery. He is therefore able to control a source of error and to optimise the results. The feasibility of this device in clinical routine use has been proven.


Assuntos
Lesões do Ligamento Cruzado Anterior , Artroscopia , Instabilidade Articular/cirurgia , Traumatismos do Joelho/cirurgia , Software , Interface Usuário-Computador , Ligamento Cruzado Anterior/diagnóstico por imagem , Ligamento Cruzado Anterior/cirurgia , Humanos , Instabilidade Articular/diagnóstico por imagem , Traumatismos do Joelho/diagnóstico por imagem , Radiografia , Equipamentos Cirúrgicos , Transferência Tendinosa/instrumentação , Resultado do Tratamento
19.
J Trop Pediatr ; 47(3): 146-52, 2001 06.
Artigo em Inglês | MEDLINE | ID: mdl-11419677

RESUMO

To determine the effect of ventricular function, size of ventricular septal defect (VSD), and endocrine function on linear growth in children with VSD, we studied 88 children with VSD over a period of 1 year. Growth was assessed by determining the height standard deviation scores (HtSDS) and growth velocity (GV) every 4 months. Two hundred age-matched normal children served as controls for the growth data. Endocrine evaluation was performed in 30 randomly selected children with VSD, and 20 age-matched children with constitutional delay of growth (CSS). Growth hormone (GH) response to clonidine provocation was evaluated and circulating free thyroxine (FT4) and insulin-like growth factor-I (IGF-I) concentrations measured. Echocardiographic evaluation of the different cardiac parameters including shunt size and shunt fraction (Qp/Qs) was performed using a colour-coded echodoppler. The HtSDS, body mass index (BMI), and mid-arm circumference (MAC) of children with VSD were significantly decreased compared to those for the normal control group. The dietary intake evaluated by the recall method, appeared to be adequate in the majority of these children (83/88). IGF-I concentrations were reduced in children with VSD (87.5 +/- 29 ng/ml) versus normal age-matched children (169 +/- 42 ng/ml). Basal and clonidine-stimulated GH concentrations were significantly higher in children with VSD (4.6 +/- 2.1 microg/l and 28.8 +/- 7.9 microg/l respectively) versus controls (17.8 +/- 4.2 microg/l). In these patients (n = 88) the HtSDS was correlated negatively with the size of the shunt (r = -0.793, p < 0.001), shunt fraction (Qp/Qs) (r = -0.76, p < 0.001), pulmonary mean gradient (r = -0.4, p = 0.006), and pulmonary maximum velocity (r = -0.32, p = 0.02). Growth velocity (GV) was correlated negatively with pulmonary maximum gradient (r = -0.3, p = 0.02), pulmonary maximum velocity (r = -0.37, p = 0.007), and pulmonary stroke volume (Qp) (r = -0.345, p = 0.01). The BMI and IGF-I concentrations were correlated significantly with the size of the shunt (r = -0.453, p < 0.01), Qp/Qs (r = -0.432, p < 0.01), HtSDS (r = 0.565, p < 0.01), and BMI (r = 0.435, p < 0.01). It appears that in patients with VSD, the size of the left-to-right shunt and the abnormal hemodynamics in the pulmonary circulation are important factors in the etiology of impaired growth. It is suggested that the hypermetabolic status of these patients compromise nutrition and this decreases IGF-I synthesis with subsequent slowing of linear growth and weight gain.


Assuntos
Transtornos do Crescimento/etiologia , Comunicação Interventricular/diagnóstico por imagem , Índice de Massa Corporal , Estudos de Casos e Controles , Criança , Pré-Escolar , Clonidina/farmacologia , Egito , Feminino , Transtornos do Crescimento/metabolismo , Comunicação Interventricular/complicações , Hormônio do Crescimento Humano/efeitos dos fármacos , Humanos , Fator de Crescimento Insulin-Like I/metabolismo , Masculino , Tireotropina/sangue , Tiroxina/sangue , Ultrassonografia
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